Critical severity · published Dec 25, 2025
CVE-2025-59683
Pexip Infinity 15.0 through 38.0 before 38.1 has Improper Access Control in the Secure Scheduler for Exchange service, when used with Office 365 Legacy Exchange Tokens
9.1
CVSS
0.3%
EPSS
No
On KEV
Description
Pexip Infinity 15.0 through 38.0 before 38.1 has Improper Access Control in the Secure Scheduler for Exchange service, when used with Office 365 Legacy Exchange Tokens. This allows a remote attacker to read potentially sensitive data and excessively consume resources, leading to a denial of service.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 26% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IN
Infinity · Pexip
15.0 before 38.1 · source: vendor
PI
Pexip Infinity · Pexip
15 before 38.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-59683
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-59683
Vendor Advisory
https://docs.pexip.com/admin/security_bulletins.htm
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